<?php

/**
 * Argument handler to accept a file id.
 */
class views_handler_argument_file_fid extends views_handler_argument {

    /**
     * Override the behavior of title(). Get the title of the file.
     */
    function title() {
        $title = db_result(db_query(db_rewrite_sql("SELECT f.filename FROM {files} f WHERE f.fid = %d", $this->argument)));
        if (empty($title)) {
            return t('No title');
        }

        return check_plain($title);
    }

}
